15971140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19477}}^1$

素因数の和:19527

約数の個数: 24

約数和(自身を含む): 34359192

約数和(自身を除く): 18388052

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 19477, 38954, 77908, 97385, 194770, 389540, 798557, 1597114, 3194228, 3992785, 7985570, 15971140]

約数ペア:

[(1, 15971140), (2, 7985570), (4, 3992785), (5, 3194228), (10, 1597114), (20, 798557), (41, 389540), (82, 194770), (164, 97385), (205, 77908), (410, 38954), (820, 19477)]